Fault In Solenoid Circuit
Fault in solenoid circuit
Checking shift solenoid S2
- Ignition on.
- Move gear selector to position P.
Activate solenoid S2. Read off the solenoid status. The status should alternate between OFF/ON.
Does the status alternate between OFF/ON?
Yes - Intermittent fault
No - Connecting the test box
Checking power ground
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Connecting the test box
Connecting the breakout box
981 3190 Replaced by 9511428 981 3190 Replaced by 951 1428 981 3195 ADAPTOR 981 3195 Adaptor
Connecting the breakout box (Automatic transmission)
Is the breakout box connected to the control module?
Yes - CONNECTED
No - Connecting the breakout box
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Connecting the breakout box
Connecting the breakout box
981 3190 Replaced by 9511428 981 3190 Replaced by 951 1428 981 3195 ADAPTOR 981 3195 Adaptor
Connecting the breakout box
Caution! The control module power supply must be disconnected when connecting or disconnecting the breakout box, otherwise it may be damaged.
- Ignition off
- Disconnect the transmission control module (TCM).
- Connect adapter 981 3195 ADAPTOR 981 3195 Adaptor to transmission control module (TCM) connector and connect breakout box 981 3190 Replaced by 9511428 981 3190 Replaced by 951 1428 to adapter.
Note! Ensure that the adaptor is the right way round - with the breakout box cable harness outwards towards the fender.
Select "Continue"
Continue - DONE
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DONE - Checking ground terminals
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Checking ground terminals
- Ignition off.
- Control module disconnected.
- Turn of all equipment in the car that takes power from the battery (the interior lighting and radio etc).
Connect an ohmmeter between the battery negative terminal and:
#20 (#A20) on the breakout box
#29 (#A29) on the breakout box.
The ohmmeter should read approximately 0 ohms for all readings
OK - No Fault Found
Not OK - Checking for an open-circuit, contact resistance and oxidation
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Checking for an open-circuit, contact resistance and oxidation
Check ground terminals 31/32 and 31/33 and cables between ground terminals and control module #A20 and #A29 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check ground lead between battery and bodywork for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select "Continue" when the fault has been repaired.
Continue - Verification
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Verification
Verification
Hint: After carrying out the repair check that the fault has been remedied.
Carry out the following:
- Ignition off
- Turn of all equipment in the car that takes power from the battery (the interior lighting and radio etc).
- Control module disconnected.
Connect an ohmmeter between the battery negative terminal and:
#20 (#A20) on the breakout box
#29 (#A29) on the breakout box.
The ohmmeter should read approximately 0 ohms for all readings
OK - VERIFIED
Not OK - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should be diagnosed and remedied. Since this is not the case the fault-tracing process has failed.
Complete the fault-tracing for those fault or try again.
Do you want to terminate fault-tracing at this time?
Yes - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Checking ground terminals
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No - Checking resistance in solenoid S2 circuit
No - Verification
No - Checking resistance in solenoid S2 circuit
No - Checking resistance in solenoid S2 circuit
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Fault-tracing information
The cause of the diagnostic trouble code (DTC) has been a poor power ground.
Continue - Verification
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Checking resistance in solenoid S2 circuit
- Ignition off.
- Transmission control module (TCM) disconnected.
Use an ohmmeter to measure between #28 (#A28) and #29 (#A29) on the test box.
The ohmmeter should read 12-18 ohms.
OK - Checking signal cable for short-circuit to supply voltage
Not OK - Checking signal cable
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Checking signal cable
- Ignition off.
- Remove the air cleaner (ACL) housing to access the transmission connector.
- Disconnect the transmission connector.
Connect an ohmmeter between the transmission connector terminal 22 (transmission control module (TCM) side) and #28 (#A28) on the test box.
The ohmmeter should read approx. 0 ohms.
OK - Checking solenoid S2 circuit in the transmission
Not OK - Checking for an open-circuit
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Checking for an open-circuit
- Ignition off.
Check the cable between transmission connector terminal 22 and transmission control module (TCM) #A28 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
Select "Continue" when the fault has been repaired.
Continue - Verification
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Checking solenoid S2 circuit in the transmission
- Ignition off.
- Disconnect transmission connector.
Connect an ohmmeter between the transmission connector terminal 22 (transmission side) and the transmission housing.
The ohmmeter should read 12-18 ohms.
OK - Checking for loose connections and contact resistance
Not OK - Checking resistance in solenoid S2
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Checking for loose connections and contact resistance
- Ignition off.
The diagnostic trouble code (DTC) was caused by poor contact in the transmission connector. Check the transmission and transmission control module (TCM) connectors for loose connections and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select "Continue" when the fault has been repaired.
Continue - Verification
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Checking resistance in solenoid S2
- Ignition off.
- Open the control system according to Inspecting / replacing solenoids Inspecting / Replacing Solenoids.
- Disconnect solenoid S2.
Use an ohmmeter to measure between the pin on solenoid S2 and the transmission housing.
The ohmmeter should read 12-18 ohms.
OK - Checking for an open-circuit
Not OK - Replacing component
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Checking for an open-circuit
Check cable between solenoid S2 and transmission connector terminal 22 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. If replacing cable harness, see Inspecting/cable harness to solenoids Inspecting/Cable Harness To Solenoids.
Select "Continue" when the fault has been repaired.
Continue - Verification
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Replacing component
- Ignition off.
Try a new solenoid S2 according to Inspecting / replacing solenoids Inspecting / Replacing Solenoids.
Select "Continue" when the fault has been repaired.
Continue - Verification
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Checking signal cable for short-circuit to supply voltage
- Ignition off.
- Transmission control module (TCM) disconnected.
- Ignition on.
Connect a voltmeter between #28 (#A28) and #29 (#A29) on the test box.
The voltmeter should read approx. 0 V.
OK - Checking voltage drop over signal ground and power ground
Not OK - Checking for short-circuit to supply voltage
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Checking for short-circuit to supply voltage
Check cable between solenoid S2 and transmission control module (TCM) #28 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
Select "Continue" when the fault has been repaired.
Continue - Verification
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Checking voltage drop over signal ground and power ground
- Ignition off.
- Connect transmission control module (TCM)
- Ignition on.
- Turn on as many power consuming items as possible.
Connect a voltmeter to between #20 (#A20) and #29 (#A29) on the test box.
The voltmeter should read less than 0.6 V.
OK - Checking the transmission control module (TCM)
Not OK - Checking for open-circuit, contact resistance and oxidation
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Checking for open-circuit, contact resistance and oxidation
- Ignition off.
Check ground terminals 31/32 and 31/33, cables between ground terminals and control module #A20 and #A29 and control module connector for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Continue - Verification
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Checking the transmission control module (TCM)
- Ignition off.
- Disconnect test box
- Connect transmission control module (TCM)
- Ignition on.
- Erase diagnostic trouble codes (DTCs).
- Move gear shift lever to position P.
- Start engine.
Wait approx. 15 seconds. Check to see if the diagnostic trouble code (DTC) recurs.
Continue - Checking the control module, continued
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Checking the control module, continued
- Check to see if the diagnostic trouble code (DTC) recurs.
Does the diagnostic trouble code (DTC) recur?
Yes - Replacing component
No - Checking for contact resistance and oxidation.
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Replacing component
Try a new transmission control module (TCM) according to Replacing transmission control module (TCM) Replacing Transmission Control Module (TCM).
Select "Continue" when the fault has been repaired.
Continue - Verification
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Checking for contact resistance and oxidation.
- Ignition off.
The diagnostic trouble code (DTC) was caused by poor contact in the transmission control module (TCM) connector. Check transmission control module (TCM) connector for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select "Continue" when the fault has been repaired.
Continue - Verification
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Verification
Verification
Hint: After repairs have been completed they must be verified as follows to ensure that the fault has been eliminated:
- Ignition off.
- Reinstall components, components etc.
- Ignition on.
Activate solenoid S2. Read off the solenoid status. The status should alternate between OFF/ON.
Does the solenoid status alternate between OFF/ON?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Checking shift solenoid S2
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Intermittent fault
Fault in solenoid circuit. Intermittent fault
Intermittent fault
- Check transmission and transmission control module (TCM) connectors for loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check cable between solenoid S2 and transmission control module (TCM) #A28 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check cable between ground terminal 31/32 and transmission control module (TCM) #A29 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check ground terminal 31/32 for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check the cable between the positive terminal on the battery and transmission control module (TCM) #A30 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Select "Continue" when the fault has been repaired.
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Checking shift solenoid S2
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